ELECTRON MICROSCOPY

Sample

Methyl-coenzyme M reductase activation complex binding to A2 component

Specimen Preperation
Sample Aggregation State 3D ARRAY
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE-PROPANE
Sample Vitrification Details Vitrification setup inside a Coy Lab's Vinyl Anaerobic Chamber to preserve the protein sample under strict anaerobic conditions (95% O2 / 5% H2).
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 484016
Reported Resolution (Å) 2.56
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol AB INITIO MODEL
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details Rigid body fitting in Chimera and Coot. Further real-space refinement in Phenix.
Data Acquisition
Detector Type FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å2) 60
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS KRIOS
Minimum Defocus (nm) 500
Maximum Defocus (nm) 2000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 165000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC v4
IMAGE ACQUISITION cryoSPARC v4
CTF CORRECTION cryoSPARC ?
MODEL FITTING UCSF Chimera 1.17.3
MODEL FITTING Coot ?
CLASSIFICATION cryoSPARC ?
RECONSTRUCTION cryoSPARC ?
MODEL REFINEMENT PHENIX ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?